.257 Roberts Ballistics
Ballistics and Drop for the .257 Roberts
Cartridge Type: Rifle
Height: 2.233"
Width: 0.473"
Average FPS: 2790
Average Energy: 2039
Average Gr: 118
Recoil: 1.47
Power Rank: 3.29 of 20
The .257 Roberts was designed in the 1920s when wildcatter Ned Roberts started to do experiments on the .257 caliber cartridges. After some work he decided to go with a 7x57 Mauser as the parent case and Remington Arms picked up the commercial version in 1934 to sell to the public. The ballistic performance based off four grain types for velocity are 3,563 ft/s (75 gr), 3,368 ft/s (90 gr), 3,108 ft/s (100 gr), and 2,777 ft/s (115 gr).
The .257 Roberts failed to gain any traction after the initial introduction of the 117 grain round into the market because the .250 Savage was considered to have better velocity. After the introduction of the .243 Winchester the .257 Roberts moved even further back on the market. The factory load 100 grain bullets can produce reasonably fast kills on medium sized game on targets up to 150 yards, but is better suited for medium sized game at 100 yards. The advantage the .257 Roberts gives to hunters is a reduced recoil compared to other rounds for people who have sensitive shoulders that cannot take the higher recoil from other cartridges.
The .257 Roberts factory loads are available on the commercial market inside the U.S. by manufacturers such as Olin, Hornady, and Federal. Hand loading brass has been more effective increasing velocity on rounds and can be purchased from Hornady, Sierra, and Federal. The 120 grain Speer and 100 grain Nosler Partition have been two of the more successful hand loading rounds when it comes to acceptable wound penetration on targets.
*Casing image above is an artist rendering and not a real photo of .257 Roberts Ballistics cartridge. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings.
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Known Rounds
.257 Roberts-Winchester Power Point + P, .257 Roberts-Hornady BTSP Interlock, .257 Roberts-Remington Soft Point Core-Lokt, .257 Roberts-Federal Nosler Partition, .257 Roberts-Hornady SST LM Interlock,
Other Cartridges with Similar Widths (cartridges not bullets)
7x57mm Mauser, .330 Dakota, 6mm Remington, .250 Savage, 7mm Remington Ultra Magnum, .240 Weatherby Magnum, 6.8mm Remington SPC, .35 Whelen, 7.62x39mm Russian, 7mm-08 Remington, .404 Dakota, .218 Bee, 8x57mm Mauser JS, .22 Winchester Magnum Rimfire (WMR), .357 Magnum (Rifle Data),
Other Cartridges with Similar Length
6mm Remington, 8x57mm Mauser JS, 7x57mm Mauser, .303 British, .444 Marlin, .220 Swift, .257 Roberts, 6.5x57 Mauser,
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Bullet Database
Image | Cartridge | Type | FPS | Energy | Power | Recoil | Length |
---|---|---|---|---|---|---|---|
.17 Aguila | rifle | 1850 | 152 | 0.37 | 0.16 | 0.618 | |
.17 Hornady Magnum Rimfire | rifle | 2483 | 246 | 0.45 | 0.19 | 1.06 | |
.17 Mach 2 | rifle | 2078 | 163 | 0.35 | 0.17 | 0.714 | |
.17 Remington | rifle | 4145 | 877 | 0.95 | 0.45 | 1.796 | |
.204 Ruger | rifle | 3935 | 1272 | 1.46 | 0.6 | 1.84 | |
.218 Bee | rifle | 2760 | 778 | 1.27 | 0.56 | 1.345 | |
.22 Hornet | rifle | 2719 | 706 | 1.17 | 0.54 | 1.017 | |
.22 Long | rifle | 898 | 52 | 0.26 | 0.14 | 0.613 | |
.22 Long Rifle High Veloci | rifle | 1341 | 152 | 0.51 | 0.22 | 0.613 | |
.22 LR | rifle | 1061 | 99 | 0.42 | 0.19 | 0.613 | |
.22 Short | rifle | 896 | 52 | 0.26 | 0.13 | 0.421 | |
.22 Winchester Magnum Rimf | rifle | 2000 | 342 | 0.54 | 0.34 | 1.055 | |
.22-250 Remington | rifle | 3787 | 1624 | 1.93 | 0.9 | 1.912 | |
.220 Swift | rifle | 3845 | 1674 | 1.96 | 0.9 | 2.205 | |
.221 Remington Fireball | rifle | 3097 | 958 | 1.39 | 0.67 | 1.4 | |
.222 Remington | rifle | 3167 | 1091 | 1.55 | 0.74 | 1.7 | |
.222 Remington Magnum | rifle | 3525 | 1241 | 1.59 | 0.79 | 1.85 | |
.223 Remington (5.56x45mm | rifle | 3148 | 1254 | 1.79 | 0.8 | 1.76 | |
.223 Winchester Super Shor | rifle | 3766 | 1826 | 2.18 | 0.95 | 1.67 | |
.224 Weatherby Magnum | rifle | 3650 | 1627 | 2.01 | 0.9 | 1.92 | |
.225 Winchester | rifle | 3570 | 1556 | 1.96 | 0.9 | 1.927 | |
.240 Weatherby Magnum | rifle | 3396 | 2432 | 3.23 | 1.46 | 2.5 | |
.243 Winchester | rifle | 3179 | 1952 | 2.77 | 1.25 | 2.045 | |
.243 Winchester Super Shor | rifle | 3198 | 2228 | 2.55 | 1.37 | 1.67 | |
.25 Auto (ACP) | handgun | 814 | 68 | 0.74 | 0.17 | 0.615 | |
.25 Winchester Super Short | rifle | 3155 | 2387 | 3.41 | 1.57 | 1.67 | |
.25-06 Remington | rifle | 3123 | 2360 | 3.4 | 1.57 | 2.494 | |
.25-20 Winchester | rifle | 1460 | 407 | 1.26 | 0.57 | 1.33 | |
.25-35 Winchester | rifle | 2230 | 1292 | 2.61 | 1.18 | 2.043 | |
.250 Savage | rifle | 2820 | 1765 | 2.82 | 1.27 | 1.912 | |
.257 Roberts | rifle | 2790 | 2039 | 3.29 | 1.47 | 2.233 | |
.257 Weatherby Magnum | rifle | 3408 | 2836 | 3.75 | 1.76 | 2.549 | |
.260 Remington | rifle | 2856 | 2282 | 3.6 | 1.73 | 2.035 | |
.264 Winchester Magnum | rifle | 3170 | 2766 | 3.93 | 1.91 | 2.5 | |
.270 Weatherby Magnum | rifle | 3335 | 3333 | 4.5 | 2.05 | 2.549 | |
.270 Winchester | rifle | 3536 | 3775 | 4.81 | 1.82 | 2.54 | |
.270 Winchester Short Magn | rifle | 3238 | 3166 | 4.4 | 2 | 2.1 | |
.280 Remington | rifle | 2896 | 2793 | 4.34 | 1.95 | 2.54 | |
.284 Winchester | rifle | 2880 | 2762 | 4.32 | 1.93 | 2.17 | |
.30 Luger (7.65mm) | handgun | 1210 | 296 | 2.2 | 0.52 | 0.85 | |
.30 M1 Carbine | rifle | 1987 | 964 | 2.19 | 0.99 | 1.29 | |
.30-06 Springfield | rifle | 2815 | 2920 | 4.67 | 2.19 | 2.494 | |
.30-30 Winchester | rifle | 2373 | 1888 | 3.58 | 1.6 | 2.04 | |
.30-378 Weatherby | rifle | 3382 | 4520 | 6.02 | 2.55 | 2.908 | |
.300 Dakota | rifle | 3183 | 4206 | 5.95 | 2.6 | 2.55 | |
.300 H&H Magnum | rifle | 2880 | 3314 | 5.18 | 2.34 | 2.85 | |
.300 Remington Short Actio | rifle | 3034 | 3494 | 5.19 | 2.36 | 2.015 | |
.300 Remington Ultra Magnu | rifle | 3066 | 3610 | 5.3 | 2.64 | 2.85 | |
.300 Savage | rifle | 2518 | 2280 | 4.08 | 1.78 | 1.871 | |
.300 Weatherby Magnum | rifle | 3229 | 4074 | 5.68 | 2.63 | 2.811 | |
.300 Winchester Magnum | rifle | 3026 | 3517 | 5.23 | 2.39 | 2.62 | |
.300 Winchester Short Magn | rifle | 3078 | 3576 | 5.23 | 2.36 | 2.1 | |
.303 British | rifle | 2540 | 2406 | 4.27 | 1.98 | 2.222 | |
.307 Winchester | rifle | 2510 | 2518 | 4.52 | 1.93 | 2.015 | |
.308 Winchester (7.62mm NA | rifle | 2681 | 2617 | 4.4 | 1.95 | 2.015 | |
.32 Auto (7.65mm Browning) | handgun | 957 | 136 | 1.28 | 0.29 | 0.68 | |
.32 H&R Magnum | handgun | 998 | 197 | 1.78 | 0.42 | 1.075 | |
.32 Short Colt | handgun | 745 | 99 | 1.2 | 0.27 | 0.65 | |
.32 Smith & Wesson | handgun | 680 | 88 | 1.16 | 0.27 | 0.605 | |
.32 Smith & Wesson Long | handgun | 758 | 124 | 1.48 | 0.35 | 0.92 | |
.32 Winchester Special | rifle | 2250 | 1911 | 3.83 | 1.95 | 2.04 | |
.32-20 Winchester | rifle | 1210 | 325 | 1.21 | 0.55 | 1.315 | |
.325 Winchester Short Magn | rifle | 2213 | 2174 | 4.43 | 2.78 | 2.1 | |
.327 Federal Magnum | handgun | 1427 | 452 | 2.86 | 0.67 | 1.2 | |
.330 Dakota | rifle | 2925 | 4369 | 6.73 | 3.11 | 2.74 | |
.338 Lapua Magnum | rifle | 2927 | 4831 | 7.43 | 3.33 | 2.774 | |
.338 Winchester Magnum | rifle | 2819 | 3916 | 6.26 | 2.93 | 2.5 | |
.340 Weatherby Magnum | rifle | 3033 | 4615 | 6.85 | 3.3 | 2.825 | |
.35 Remington | rifle | 2120 | 1876 | 3.99 | 1.87 | 1.92 | |
.35 Whelen | rifle | 2638 | 3538 | 6.04 | 2.64 | 2.494 | |
.356 Winchester | rifle | 2460 | 2687 | 4.92 | 2.22 | 2.015 | |
.357 Magnum | handgun | 1294 | 528 | 3.68 | 0.89 | 1.29 | |
.357 SIG | handgun | 1379 | 515 | 3.36 | 0.76 | 0.865 | |
.38 Special (.38 Smith & W | handgun | 876 | 235 | 2.42 | 0.53 | 1.155 | |
.38-55 Winchester | rifle | 1320 | 986 | 3.37 | 1.51 | 2.085 | |
.380 Auto (9mm Browning Sh | handgun | 980 | 194 | 1.78 | 0.41 | 0.68 | |
.40 Smith & Wesson | handgun | 1074 | 423 | 3.54 | 0.74 | 0.85 | |
.41 Remington Magnum | handgun | 1276 | 763 | 5.38 | 1.23 | 1.29 | |
.44 Remington Magnum (Pist | handgun | 1317 | 897 | 6.14 | 1.45 | 1.285 | |
.44 Smith & Wesson Special | handgun | 911 | 361 | 3.58 | 0.81 | 1.16 | |
.44-40 Winchester | rifle | 1060 | 499 | 2.12 | 1.07 | 1.305 | |
.45 Auto (.45 ACP) | handgun | 937 | 403 | 3.88 | 0.93 | 0.898 | |
.45 GAP (Glock Automatic P | handgun | 959 | 414 | 3.9 | 0.92 | 0.76 | |
.45-70 Government | rifle | 1680 | 2274 | 6.1 | 2.43 | 2.105 | |
.470 Nitro Express | rifle | 2134 | 5055 | 10.67 | 4.84 | 3.25 | |
10mm Auto | handgun | 1199 | 546 | 4.1 | 0.96 | 0.992 | |
6.17mm (.243) Lazzeroni Sp | rifle | 3618 | 2470 | 3.08 | 1.37 | 2.05 | |
6.53mm (.257) Lazzeroni Sc | rifle | 3750 | 3122 | 3.75 | 1.69 | 2.8 | |
6.5mm Remington Magnum | rifle | 3118 | 2655 | 3.84 | 1.72 | 2.17 | |
6.5x55mm Swedish Mauser | rifle | 2673 | 2078 | 3.5 | 1.72 | 2.165 | |
6.5x57 Mauser | rifle | 2543 | 1881 | 3.33 | 1.62 | 2.232 | |
6.8mm Remington SPC | rifle | 2600 | 1696 | 2.94 | 1.41 | 1.686 | |
6mm Remington | rifle | 3156 | 2145 | 3.06 | 1.4 | 2.233 | |
7-30 Waters | rifle | 2700 | 1942 | 3.24 | 1.46 | 2.04 | |
7.62x39mm Russian | rifle | 2363 | 1587 | 3.02 | 1.29 | 1.528 | |
7mm Remington Magnum | rifle | 3024 | 3106 | 4.63 | 2.06 | 2.5 | |
7mm Remington Ultra Magnum | rifle | 3121 | 3330 | 4.81 | 2.13 | 2.85 | |
7mm STW (Shooting Times We | rifle | 3239 | 3494 | 4.86 | 2.31 | 2.85 | |
7mm Weatherby Magnum | rifle | 3199 | 3476 | 4.89 | 2.2 | 2.549 | |
7mm Winchester Short Magnu | rifle | 3134 | 3314 | 4.76 | 2.06 | 2.1 | |
7mm-08 Remington | rifle | 2827 | 2448 | 3.9 | 1.8 | 2.035 | |
7x57mm Mauser | rifle | 2602 | 2255 | 3.9 | 1.68 | 2.235 | |
7x64mm Brenneke | rifle | 2818 | 2662 | 4.26 | 1.85 | 2.51 | |
8mm Remington Magnum | rifle | 2900 | 3734 | 5.8 | 2.77 | 2.85 | |
8x57mm Mauser JS | rifle | 2466 | 2511 | 4.59 | 1.81 | 2.24 | |
9mm Luger (9mm Parabellum) | handgun | 1138 | 357 | 2.82 | 0.65 | 0.754 | |
Cartridge | Image | Type | FPS | Energy | Power | Recoil | Length |
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Power Rank
The PowerRank is an estimation of the cartridge power. The first number is the value of this cartridge, and the last number is the value of the most powerful round in our bullet database.
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